CN219326651U - Short-cut nitrifying sewage denitrification device - Google Patents

Abstract

The utility model provides a short-cut nitrification sewage denitrification device, which is used for solving the problem that the existing stirring mode and carbon source adding mode influence the nitrification and denitrification efficiency and effect of sewage. The utility model provides a short distance nitrify sewage denitrification facility, includes the treatment bucket, and the rotation of treatment bucket top is equipped with the case of throwing, is equipped with the screw rod in the treatment bucket, and the screw rod upper end links to each other with the bottom of throwing the case, is equipped with the paddle on the screw rod, rotates on the screw rod and is equipped with the stirring board, and the stirring board offsets with the inner wall slip of treatment bucket, the rotation all around of screw rod is equipped with the puddler, is equipped with the stirring leaf on the puddler, is equipped with a plurality of through-holes on the stirring board, the puddler runs through the through-hole, and the slope is equipped with a plurality of first inlet pipes on the lateral wall of treatment bucket, and the bottom of treatment bucket is equipped with a plurality of second inlet pipes, and first inlet pipe and second inlet pipe all link to each other with pneumatic conveying device. The utility model improves the sewage treatment efficiency by changing the stirring mode and the carbon source adding method.

Description

Short-cut nitrifying sewage denitrification device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a short-cut nitrification sewage denitrification device.

Background

In the sewage treatment process, a sewage denitrification system is a common treatment unit, active sludge in sewage occupies a relatively large area, the active sludge is also a key of sewage treatment, continuous stirring is required to be carried out and used for keeping the active sludge uniformly distributed in a water body and avoiding deposition, so that the sludge can be effectively purified; at present, most sewage treatment plants have the common water quality characteristics of low carbon and relatively high nitrogen and phosphorus, and due to low organic matter content, the conventional denitrification process cannot meet the requirement of a carbon source in an anoxic denitrification stage, so that the nitrification process is blocked, the carbon source is added, the carbon source is generally directly added from the upper part, the carbon source is gradually and downwards permeated, the carbon source is unevenly dispersed in each part of the pool, and the efficiency and the effect of sewage nitrification are reduced.

Disclosure of Invention

The utility model provides a short-cut nitrification sewage denitrification device, which solves the problem that the existing stirring mode and carbon source adding mode influence the nitrification denitrification efficiency and effect of sewage.

The technical scheme of the utility model is realized as follows:

the utility model provides a short distance nitrify sewage denitrification facility, includes the treatment bucket, and the rotation of treatment bucket top is equipped with the case of throwing, is equipped with the screw rod in the treatment bucket, and the screw rod upper end links to each other with the bottom of throwing the case, is equipped with the paddle on the screw rod, rotates on the screw rod and is equipped with the stirring board, and the stirring board offsets with the inner wall slip of treatment bucket, the rotation all around of screw rod is equipped with the puddler, is equipped with the stirring leaf on the puddler, is equipped with a plurality of through-holes on the stirring board, the puddler runs through the through-hole, and the slope is equipped with a plurality of first inlet pipes on the lateral wall of treatment bucket, and the bottom of treatment bucket is equipped with a plurality of second inlet pipes, and first inlet pipe and second inlet pipe all link to each other with pneumatic conveying device.

Wherein, pneumatic conveying device includes the conveyer pipe, and conveyer pipe one end links to each other with first inlet pipe and second inlet pipe respectively, and the other end even has the workbin, and one side of workbin is equipped with pneumatic pump, and pneumatic pump's gas outlet is just to the conveyer pipe, carries through pneumatic pump, and conveying efficiency is high, and impact force is big simultaneously, can drive the sewage flow in the pond, each material homogeneous mixing in the pond of being convenient for.

Wherein, be equipped with the initiative board on the screw rod, the upper end of puddler is equipped with the driven plate, and initiative board offsets with the driven plate, drives a plurality of stirring parts motion through a drive component, has reached the purpose of energy saving.

Wherein, the upper end of throwing the case links to each other with motor drive's connecting rod, and the lateral wall and the bottom of throwing the case are equipped with a plurality of throwing pipes, can make the even throwing of carbon source be convenient for fully react with sewage on the pond face.

Wherein, the symmetry is equipped with the stopper that is used for the stirring board spacing on the screw rod, avoids the stirring board to drop or influence the paddle rotation from the screw rod.

Advantageous effects

According to the utility model, the screw with the blades is arranged, and the plurality of stirring rods are uniformly arranged around the screw, so that a tank with a larger tank capacity can be divided into a plurality of stirring units for stirring, sewage in the tank can be conveniently driven to flow, the sewage and sludge at the edge can be conveniently driven to flow, meanwhile, impact force can be formed between two adjacent stirring vortex flows, the crushed sludge and the sewage can be uniformly mixed, and the stirring plates which move up and down can destroy laminar flow to drive the sludge at the lower part in the tank to move, so that the sludge can be conveniently and uniformly dispersed in the tank, the mixing effect of the sewage and the sludge is improved, and the treatment is convenient; through each convenient throwing of follow processing bucket adds the carbon source, at a plurality of stirring parts of cooperation, can make the quick infiltration of carbon source advance each place in the pond, make things convenient for the carbon source fully to react, improved nitrifying efficiency and effect, and through pneumatic conveying, also can drive sewage and mud flow to a certain extent, avoid mud caking.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic illustration of the present utility model;

fig. 2 is a top view of the stirring plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1, a short-cut nitrification sewage denitrification device comprises a treatment barrel 1, a throwing box 2 is rotationally arranged above the treatment barrel 1, a screw rod 17 is arranged in the treatment barrel 1, the upper end of the screw rod 17 is connected with the bottom of the throwing box 2, paddles 15 are arranged on the screw rod 17, the paddles 15 are arranged at the upper end and the lower end of the screw rod 17, a stirring plate 12 is rotationally arranged on the screw rod 17, the stirring plate 12 is arranged between the two paddles 15, the stirring plate 12 is in sliding contact with the inner wall of the treatment barrel 1, stirring rods 6 are rotationally arranged around the screw rod 17, stirring blades 11 are arranged on the stirring rods 6, the diameter of the stirring blades 11 is smaller than that of the through holes 13, the stirring blades 11 and the paddles 15 are staggered, a plurality of through holes 13 are formed in the stirring rods 6 penetrating through the through holes 13, a plurality of first feeding pipes 7 are obliquely arranged on the side wall of the treatment barrel 1, a plurality of second feeding pipes 14 are arranged at the bottom of the treatment barrel 1, and the first feeding pipes 7 and the second feeding pipes 14 are connected with a pneumatic conveying device.

The working process of the embodiment comprises the following steps: firstly, sewage is added into the treatment barrel 1, then the screw 17 and the stirring rod 6 are controlled to rotate simultaneously, the blade 15 and the stirring blade 11 are driven to rotate respectively, a plurality of small stirring units are formed in the treatment barrel 1, sewage mixing and stirring are fully driven, meanwhile, the screw 17 is controlled to rotate positively and negatively, the stirring plate 12 can be driven to move up and down in the treatment barrel 1, laminar flow formed by the blade 15 and the stirring blade 11 is destroyed, sewage mixing of the upper part and the lower part in the treatment barrel 1 is driven, when a carbon source is required to be added, the pneumatic conveying device is opened, and the carbon source is added from a plurality of directions of the treatment barrel 1 through the first feeding pipe 7 and the second feeding pipe 14.

Example 2

Preferably, the pneumatic conveying device comprises a conveying pipe 8, one end of the conveying pipe 8 is respectively connected with a first feeding pipe 7 and a second feeding pipe 14, the other end of the conveying pipe is connected with a feed box 9, one side of the feed box 9 is provided with a pneumatic pump 10, the air outlet of the pneumatic pump 10 is opposite to the conveying pipe 8, the pneumatic pump 10 is used for conveying, the conveying efficiency is high, meanwhile, the impact force is high, the sewage in the tank can be driven to flow, and the materials in the tank can be uniformly mixed; the driving plate 18 is arranged on the screw 17, the driven plate 5 is arranged at the upper end of the stirring rod 6, the driving plate 18 is propped against the driven plate 5, and a plurality of stirring components are driven to move by one driving component, so that the purpose of saving energy is achieved; the upper end of the throwing box 2 is connected with a motor-driven connecting rod 3, and a plurality of throwing pipes 4 are arranged on the side wall and the bottom of the throwing box 2, so that a carbon source can be uniformly thrown on a pool surface, and the carbon source can be conveniently and fully reacted with sewage; the screw 17 is symmetrically provided with limiting blocks 16 for limiting the stirring plate 12, so that the stirring plate is prevented from falling off the screw or the rotation of the blade is prevented from being influenced.

Other structures of this embodiment are the same as those of embodiment 1.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (5)

1. The utility model provides a short-cut nitrifying sewage denitrification device, includes treatment barrel (1), its characterized in that: handle barrel (1) top rotation and be equipped with throwing case (2), be equipped with screw rod (17) in handling barrel (1), screw rod (17) upper end links to each other with the bottom of throwing case (2), is equipped with paddle (15) on screw rod (17), rotates on screw rod (17) and is equipped with stirring board (12), and stirring board (12) and the inner wall slip of handling barrel (1) offset, the rotation all around of screw rod (17) is equipped with puddler (6), is equipped with stirring leaf (11) on puddler (6), is equipped with a plurality of through-holes (13) on stirring board (12), puddler (6) run through-hole (13), and the slope is equipped with a plurality of first inlet pipes (7) on the lateral wall of handling barrel (1), and the bottom of handling barrel (1) is equipped with a plurality of second inlet pipes (14), and first inlet pipe (7) and second inlet pipe (14) all link to each other with pneumatic conveying device.

2. The short-cut nitrification sewage denitrification device as claimed in claim 1, wherein: the pneumatic conveying device comprises a conveying pipe (8), one end of the conveying pipe (8) is connected with the first feeding pipe (7) and the second feeding pipe (14) respectively, the other end of the conveying pipe is connected with a feed box (9), one side of the feed box (9) is provided with a pneumatic pump (10), and an air outlet of the pneumatic pump (10) is opposite to the conveying pipe (8).

3. The short-cut nitrification sewage denitrification device as claimed in claim 1, wherein: the screw (17) is provided with a driving plate (18), the upper end of the stirring rod (6) is provided with a driven plate (5), and the driving plate (18) is propped against the driven plate (5).

4. The short-cut nitrification sewage denitrification device as claimed in claim 1, wherein: the upper end of the sprinkling box (2) is connected with a motor-driven connecting rod (3), and a plurality of sprinkling pipes (4) are arranged on the side wall and the bottom of the sprinkling box (2).

5. The short-cut nitrification sewage denitrification device as claimed in claim 1, wherein: limiting blocks (16) used for limiting the stirring plate (12) are symmetrically arranged on the screw (17).

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